ago, a couple of months ago, and it was an evening event and is my won't i had lunch in a down scale barbecue place and sitting there munching down on my ribs and a working man came up to me, his clothe, he was clearly involved in physical labor and so on, and he said, weren't you the secretary of defense? i said yes. and he said, well my on is a marine and than thank you for hg his back. and as i told the people with me, that kind of thing means more to me than any medal or any recognition that anybody else could give me. and i the things i write about in the book is one of the reasons i decided it was time to leave was that i had come to care so much about the troops and about protecting them that i worried that i was not giving the president the kind of advice that i should, and as i write, i got to the point where i couldn't talk about them or to them without choking up. and so that was one of the reasons why i decided it was time to leave. >> rose: meaning your heart was overwhelming you? >> yeah. i just -- their service, their sacrifice, what they were putting up with, the fact they are